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Evaluation of the Carefusion Alaris PC infusion pump for hyperbaric oxygen therapy conditions: Technical report

We present a standardized test methodology and results for our evaluation of the Carefusion Alaris PC infusion pump, comprising the model 8015 PC Unit and the model 8100 Large Volume Pump (LVP) module.

The evaluation consisted of basic suitability testing, internal component inspection, surface temperature measurement of selected internal components, and critical performance testing (infusion rate accuracy and occlusion alarm pressure) during conditions of typical hyperbaric oxygen (HBO2) treatment in our facility’s class A multiplace chamber.

We have found that the pumps pose no enhanced risk as an ignition source, and that the pumps operate within manufacturer’s specifications for flow rate and occlusion alarms at all stages of HBO2 treatments, up to 4.0 ATA and pressurization and depressurization rates up to 180 kPa/minute. The pumps do not require purging with air or nitrogen and can be used unmodified, subject to the following conditions:

  • pumps are undamaged, clean, fully charged, and absent from alcohol cleaning residue;
  • pumps are powered from the internal NiMH battery only;
  • maximum pressure exposure 4.0 ATA;
  • maximum pressurization and depressurization rate of 180 kPa/minute;
  • LVP modules locked in place with retaining screws.

DOI: 10.22462/1.2.2017.4